490417 has 2 divisors, whose sum is σ = 490418. Its totient is φ = 490416.

The previous prime is 490393. The next prime is 490421. The reversal of 490417 is 714094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295936 + 194481 = 544^2 + 441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490391 and 490400.

It is not a weakly prime, because it can be changed into another prime (490117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245208 + 245209.

It is an arithmetic number, because the mean of its divisors is an integer number (245209).

2⁴⁹⁰⁴¹⁷ is an apocalyptic number.

It is an amenable number.

490417 is a deficient number, since it is larger than the sum of its proper divisors (1).

490417 is an equidigital number, since it uses as much as digits as its factorization.

490417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 490417 is about 700.2977937992. The cubic root of 490417 is about 78.8597093550.

The spelling of 490417 in words is "four hundred ninety thousand, four hundred seventeen".